C01B 17/42
Sulfides or polysulfides of magnesium, calcium, strontium, or barium
C01B17/42 (Sulfides or polysulfides of magnesium, calcium, strontium, or barium) appears on 47 US grants and 36 published applications in this corpus.
Search patents in C01B- Granted patents
- 47
- Published applications
- 36
- Assignees
- 47
- Inventors
- 137
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 4 |
| 2020 | 2 | 3 |
| 2021 | 2 | 3 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of forming an alkaline-earth metal selenide and/or sulfide compound7 Jul 2026US 12,674,096 B2City University of Hong Kong
- Positive electrode active material and magnesium secondary battery24 Feb 2026US 12,562,385 B2Panasonic Intellectual Property Management Co., Ltd.
- MySx/ZSH mixture as sulfidizing agent22 Jul 2025US 12,364,990 B2Nouryon Chemicals International B. V.
- Systems and methods for producing alkali hydroxides and sulfuric acid or hydrochloric acid22 Jul 2025US 12,365,597 B1Innovator Energy, LLC
- Reagent system for treating mercury-contaminated material6 Aug 2024US 12,053,809 B2HMR Solutions, Inc.
- Systems and methods for producing alkali hydroxides and sulfuric acid or hydrochloric acid11 Jun 2026US 2026/0159405 A1Innovator Energy, LLC
- Alloy materials and related methods for processing hydrogen sulfide20 Nov 2025US 2025/0353743 A1Saudi Arabian Oil Company
- Systems and methods for producing alkali hydroxides and sulfuric acid or hydrochloric acid24 Jul 2025US 2025/0236531 A1Innovator Energy, LLC
- System and method for production of calcium oxide with reduced carbon footprint20 Mar 2025US 2025/0091965 A1Peregrine Hydrogen Inc.
- Methods and compositions for enhanced dispersion of phosphor in a polymeric matrix24 Oct 2024US 2024/0352315 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- Layered metal chalcogenides containing interspathic polymeric chalcogenides75US 4,859,648 AMobil Oil Corporation · 1989
- Stable sulfide compositions, uses, and process for preparation thereof61US 5,948,392 ASchering-Plough Healthcare Products, Inc. · 1999
- Sulfate reduction process useful in coal gasification56US 4,704,136 AFreeport-McMoRan Resource Partners, Limited Partnership · 1987
- Process for hydrotreating residual petroleum oil35US 4,600,503 AMobil Oil Corporation · 1986
- Process for the production of bis (silyorganyl) polysulphanes35US 5,859,275 ADegussa AG · 1999